199998024 has 32 divisors (see below), whose sum is σ = 513510720. Its totient is φ = 64863936.

The previous prime is 199997999. The next prime is 199998049. The reversal of 199998024 is 420899991.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (199997999) and next prime (199998049).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111724 + ... + 113499.

It is an arithmetic number, because the mean of its divisors is an integer number (16047210).

Almost surely, 2^199998024 is an apocalyptic number.

It is an amenable number.

199998024 is an abundant number, since it is smaller than the sum of its proper divisors (313512696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199998024 is a wasteful number, since it uses less digits than its factorization.

199998024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225269 (or 225265 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 51.

The square root of 199998024 is about 14142.0657614084. The cubic root of 199998024 is about 584.8016216832.

The spelling of 199998024 in words is "one hundred ninety-nine million, nine hundred ninety-eight thousand, twenty-four".